Lochinvar Knight XL KBN801 Installation & Operation Manual
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Also See for Knight XL KBN801:
- Parts list (4 pages) ,
- Installation & operation manual (80 pages)
Table of Contents
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KBXII-I-O_100161488_2000013409_Rev P
Installation & Operation Manual
Models: 400 - 801
Th is manual must only be used by a
WARNING
qualifi ed heating installer / service
technician. Read all instructions,
including this manual and the Knight
XL Service Manual, before installing.
Perform steps in the order given.
Failure to comply could result in
severe personal injury, death, or
substantial property damage.
Save this manual for future reference.
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Table of Contents
Related Manuals for Lochinvar Knight XL KBN801
Summarization of Contents
Please Read Before Proceeding
Installer Instructions
Critical instructions for those installing the boiler, emphasizing reading all manuals.
Service Safety Precautions
Safety guidelines for servicing the boiler, covering operation, water, and fluids.
Boiler Operation Safety
Essential safety measures during boiler operation, including gas, water, and electrical handling.
Ratings
Rating Notes
Explanations for the boiler's input, output, water content, and other performance ratings.
1 Determine Boiler Location
Closet and Alcove Installations
Specific location requirements and clearances for closet and alcove installations.
Vent and Air Piping Considerations
Guidelines for routing and terminating vent and air piping for proper boiler function.
Combustion Air Contamination Prevention
Methods to prevent contamination of combustion air supply which can damage the boiler.
Residential Garage Installation
Precautions and requirements for installing boilers in residential garages.
2 Prepare Boiler
Remove Boiler from Pallet
Instructions for uncrating and removing the boiler from its shipping pallet.
Gas Conversions
Procedures for converting the boiler from natural gas to propane fuel.
3 General Venting
Direct Venting Options - Sidewall
Methods for venting and air intake through a sidewall.
Direct Venting Options - Vertical
Methods for venting and air intake through a roof or vertical shaft.
4 Sidewall Direct Venting
Vent/Air Termination - Sidewall
Specific requirements for terminating vent and air piping through a sidewall.
Determine Sidewall Location
Guidelines for selecting the optimal location for sidewall terminations.
Sidewall Termination - Optional Concentric Vent
Sidewall Termination Installation
Step-by-step instructions for installing the concentric sidewall termination kit.
5 Vertical Direct Venting
Vent/Air Termination - Vertical
Specific requirements for terminating vent and air piping through a roof or vertical shaft.
Determine Vertical Location
Guidelines for selecting the optimal location for vertical terminations.
Vertical Termination - Optional Concentric Vent
Vertical Termination Installation
Step-by-step instructions for installing the concentric vertical termination kit.
Alternate Vertical Concentric Venting
Concentric Venting Arrangement
How the concentric venting system works with a chase.
6 Hydronic Piping
System Water Piping Methods
General methods for connecting the boiler to the hydronic system.
Freeze Protection
Guidelines for using and selecting freeze protection fluids.
General Piping Information
General guidance and steps for hydronic piping installation.
7 Gas Connections
Connecting Gas Supply Piping
Detailed steps for connecting the gas supply line to the boiler.
8 Field Wiring
Line Voltage Connections
Instructions for connecting the 120VAC power supply and service switch.
Low Voltage Connections
Instructions for routing and connecting low voltage control wiring.
9 Condensate Disposal
Condensate Drain and Trap
Details on the condensate drain line, trap, and disposal methods.
10 Start-up
Fill Water and Check Quality
Steps for filling the boiler with water and verifying its quality.
Freeze Protection Management
Guidelines for using and managing freeze protection fluids.
Set Space Heating Operation
Adjust Set Point Temperatures
Setting desired operating temperatures for space heating and hot water.
Set Domestic Hot Water (DHW) Operation
Configuration of the Cascade
Setting up multiple boilers to operate together in a cascade system.
11 Operating Information
How the Boiler Operates
Explanation of the boiler's fundamental operating principles.
Control Module Operation
How the SMART SYSTEM control module manages boiler functions.
Room Thermostat Integration
How room thermostats provide input for space heating control.
Temperature Control
Protection Features Overview
Overview of the boiler's built-in safety and protection mechanisms.
Boiler Temperature Regulation
High Limit Operations and Testing
How high temperature limits function and how to test them.
Cascade Operation
Cascade Sequence
How boilers in a cascade system cycle to equalize run time and demand.
Access Modes
User Settings Adjustment
How users can adjust set points, time, and temperature units.
12 Maintenance
Service Technician Maintenance
Tasks for qualified service technicians for annual startup and maintenance.
Owner Maintenance Tasks
Routine maintenance tasks recommended for the boiler owner.
13 Diagrams
Wiring Diagram
Illustrates the electrical connections for the boiler's integrated control system.
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